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A wrong-way pickup truck driver was killed on Interstate 10 Tuesday, Nov. 20, 2012 when the vehicle collided head-on with a tour bus, forcing the closure of all westbound lanes near Casa Grande, Ariz., authorities said. The collision also involved a semi-truck, state Department of Public Safety officials said. DPS spokesman Bart Graves reported "numerous" injuries among the 16 people aboard the bus. Among the most seriously hurt was the driver of the bus, Graves said. (AP Photo/The Arizona Republic, Mark Henle)

A wrong-way pickup truck driver was killed on Interstate 10 Tuesday, Nov. 20, 2012 when the vehicle collided head-on with a tour bus, forcing the closure of all westbound lanes near Casa Grande, Ariz., authorities said. The collision also involved a semi-truck, state Department of Public Safety officials said. DPS spokesman Bart Graves reported "numerous" injuries among the 16 people aboard the bus. Among the most seriously hurt was the driver of the bus, Graves said. (AP Photo/The Arizona Republic, Mark Henle)